| // Copyright 2014 The PDFium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef FXJS_CJS_UTIL_H_ |
| #define FXJS_CJS_UTIL_H_ |
| |
| #include <vector> |
| |
| #include "core/fxcrt/span.h" |
| #include "core/fxcrt/widestring.h" |
| #include "fxjs/cjs_object.h" |
| #include "fxjs/js_define.h" |
| #include "v8/include/v8-forward.h" |
| |
| class CJS_Util final : public CJS_Object { |
| public: |
| enum class DataType { |
| kInvalid = -1, |
| kInt = 0, |
| kDouble = 1, |
| kString = 2, |
| }; |
| |
| static uint32_t GetObjDefnID(); |
| static void DefineJSObjects(CFXJS_Engine* pEngine); |
| |
| CJS_Util(v8::Local<v8::Object> pObject, CJS_Runtime* pRuntime); |
| ~CJS_Util() override; |
| |
| // Ensure that |sFormat| contains at most one well-understood printf |
| // formatting directive which is safe to use with a single argument, and |
| // return the type of argument expected, or -1 otherwise. If -1 is returned, |
| // it is NOT safe to use |sFormat| with printf() and it must be copied |
| // byte-by-byte. |
| // |
| // Exposed for testing. |
| static DataType ParseDataType(WideString* sFormat); |
| |
| // Exposed for testing. |
| static WideString StringPrintx(const WideString& cFormat, |
| const WideString& cSource); |
| |
| JS_STATIC_METHOD(printd, CJS_Util) |
| JS_STATIC_METHOD(printf, CJS_Util) |
| JS_STATIC_METHOD(printx, CJS_Util) |
| JS_STATIC_METHOD(scand, CJS_Util) |
| JS_STATIC_METHOD(byteToChar, CJS_Util) |
| |
| private: |
| static uint32_t ObjDefnID; |
| static const char kName[]; |
| static const JSMethodSpec MethodSpecs[]; |
| |
| CJS_Result printd(CJS_Runtime* pRuntime, |
| pdfium::span<v8::Local<v8::Value>> params); |
| CJS_Result printf(CJS_Runtime* pRuntime, |
| pdfium::span<v8::Local<v8::Value>> params); |
| CJS_Result printx(CJS_Runtime* pRuntime, |
| pdfium::span<v8::Local<v8::Value>> params); |
| CJS_Result scand(CJS_Runtime* pRuntime, |
| pdfium::span<v8::Local<v8::Value>> params); |
| CJS_Result byteToChar(CJS_Runtime* pRuntime, |
| pdfium::span<v8::Local<v8::Value>> params); |
| }; |
| |
| #endif // FXJS_CJS_UTIL_H_ |